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Outline

  1. CCSS.MATH.CONTENT.HSG.CO.C.9
    1. Vertical Angles Theorem
    2. Alternate Interior Angles and Corresponding Angles

CCSS.MATH.CONTENT.HSG.CO.C.9

Author:Ellen Barbaresso
This is a GeoGebraBook that proves the theorems about lines and angles.

  • Vertical Angles Theorem

  • Alternate Interior Angles and Corresponding Angles

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Vertical Angles Theorem

New Resources

  • רישום חופשי
  • Rolling Circles and Polygons
  • Publish app "Public" test
  • Parallelogram Anatomy
  • Pathway to Proof: Triangle Angles

Discover Resources

  • true/triangle-circle-perpendicular-ex174.ggb
  • right triangle
  • fz_4onx3
  • Inspired by Frank Stella -Andreea

Discover Topics

  • Circumcircle or Circumscribed Circle
  • Pythagoras or Pythagorean Theorem
  • Statistics
  • Percentages
  • Similar Triangles
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